perplexus.info :: Numbers : funny numbers

Home > Numbers

funny numbers (Posted on 2004-07-28)

X and Y are positive integers, neither of which is divisible by 10. Their product is 100,000.

What is X + Y ?

See The Solution Submitted by Thalamus

Rating: 2.3636 (11 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

Answer

| Comment 1 of 19

X is 2 to the 5, or 32, and Y is 5 to the 5, or 3125, so the answer is 3157.

Posted by Oskar on 2004-07-28 08:22:36

Please log in:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (6)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info